53267399 has 2 divisors, whose sum is σ = 53267400. Its totient is φ = 53267398.

The previous prime is 53267387. The next prime is 53267413. The reversal of 53267399 is 99376235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53267399 - 2⁸ = 53267143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53267369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26633699 + 26633700.

It is an arithmetic number, because the mean of its divisors is an integer number (26633700).

Almost surely, 2^53267399 is an apocalyptic number.

53267399 is a deficient number, since it is larger than the sum of its proper divisors (1).

53267399 is an equidigital number, since it uses as much as digits as its factorization.

53267399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 53267399 is about 7298.4518221332. The cubic root of 53267399 is about 376.2592311286.

The spelling of 53267399 in words is "fifty-three million, two hundred sixty-seven thousand, three hundred ninety-nine".